<template>
    <div :id="tinymceId" class="tinymce-textarea" />
</template>

<script>
import plugins from './plugins';
import toolbar from './toolbar';
import load from './dynamicLoadScript';
const tinymceCDN = 'https://cdn.jsdelivr.net/npm/tinymce@5.7.1/tinymce.min.js';
import { uploadImage } from '@/api/tool';
export default {
    name: 'Tinymce',
    props: {
        id: {
            type: String,
            default: function() {
                return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '');
            }
        },
        value: {
            type: String,
            default: ''
        },
        toolbar: {
            type: Array,
            required: false,
            default() {
                return [];
            }
        },
        menubar: {
            type: String,
            default: 'file edit insert view format table'
        },
        height: {
            type: [Number, String],
            required: false,
            default: 800
        },
        width: {
            type: [Number, String],
            required: false,
            default: 'auto'
        }
    },
    data() {
        return {
            hasChange: false,
            hasInit: false,
            tinymceId: this.id,
            fullscreen: false,
            languageTypeList: {
                en: 'en',
                zh: 'zh_CN',
                es: 'es_MX',
                ja: 'ja'
            }
        };
    },
    computed: {
        containerWidth() {
            const width = this.width;
            if (/^[\d]+(\.[\d]+)?$/.test(width)) {
                // matches `100`, `'100'`
                return `${width}px`;
            }
            return width;
        }
    },
    methods: {
        init() {
            // dynamic load tinymce from cdn
            load(tinymceCDN, err => {
                if (err) {
                    this.$message.error(err.message);
                    return;
                }
                this.initTinymce();
            });
        },
        initTinymce() {
            const _this = this;
            window.tinymce.init({
                selector: `#${this.tinymceId}`,
                language: this.languageTypeList['zh'],
                language_url: 'https://cdn.surest.cn/plugin/tinymce/zh_CN.js',
                height: this.height,
                body_class: 'panel-body ',
                object_resizing: false,
                toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
                menubar: this.menubar,
                plugins: plugins,
                quickbars_selection_toolbar: 'bold italic forecolor | link blockquote quickimage',
                end_container_on_empty_block: true,
                powerpaste_word_import: 'clean',
                code_dialog_height: 450,
                code_dialog_width: 1000,
                advlist_bullet_styles: 'square',
                advlist_number_styles: 'default',
                imagetools_cors_hosts: ['www.tinymce.com', 'codepen.io'],
                default_link_target: '_blank',
                link_title: false,
                nonbreaking_force_tab: true, // inserting nonbreaking space &nbsp; need Nonbreaking Space Plugin
                init_instance_callback: editor => {
                    if (_this.value) {
                        editor.setContent(_this.value);
                    }
                    console.log(32333);
                    _this.hasInit = true;
                    editor.on('NodeChange Change KeyUp SetContent', () => {
                        this.hasChange = true;
                        this.$emit('input', editor.getContent());
                        this.$emit('update:value', editor.getContent());
                    });
                },
                save_onsavecallback: editor => {
                    _this.$emit('save', _this.value);
                },
                autosave_interval: '5s',
                setup(editor) {
                    editor.on('FullscreenStateChanged', e => {
                        _this.fullscreen = e.state;
                    });
                },
                images_upload_handler: (blobInfo, success, failure) => {
                    let formdata = new FormData();
                    formdata.append('file', blobInfo.blob());

                    uploadImage(formdata)
                        .then(data => {
                            success(data.file);
                        })
                        .catch(err => {
                            failure('Server Error');
                        });
                }
            });
        },

        destroyTinymce() {
            const tinymce = window.tinymce.get(this.tinymceId);
            if (this.fullscreen) {
                tinymce.execCommand('mceFullScreen');
            }
            if (tinymce) {
                tinymce.destroy();
            }
        },
        setContent(value) {
            window.tinymce.get(this.tinymceId).setContent(value);
        },
        getContent() {
            window.tinymce.get(this.tinymceId).getContent();
        }
    },

    watch: {
        value(val) {
            console.log('333');
            if (!this.hasChange && this.hasInit) {
                this.$nextTick(() => {
                    window.tinymce.get(this.tinymceId).setContent(val || '');
                });
            }
        }
    },
    mounted() {
        this.init();
    },
    activated() {
        if (window.tinymce) {
            this.initTinymce();
        }
    },
    deactivated() {
        this.destroyTinymce();
    },
    destroyed() {
        this.destroyTinymce();
    }
};
</script>

<style lang="less" scoped>
.tinymce-container {
    position: relative;
    line-height: normal;
}
.tinymce-container {
    ::v-deep {
        .mce-fullscreen {
            z-index: 10000;
        }
    }
}
.tinymce-textarea {
    visibility: hidden;
    z-index: -1;
}
.editor-custom-btn-container {
    position: absolute;
    right: 4px;
    top: 4px;
    /*z-index: 2005;*/
}
.fullscreen .editor-custom-btn-container {
    z-index: 10000;
    position: fixed;
}
.editor-upload-btn {
    display: inline-block;
}
</style>
